rotator cuff

noun

a bandlike structure encircling and supporting the shoulder joint, formed by four muscles attached to and merging with the joint capsule.

rotator cuff

anatomy the structure around the shoulder joint consisting of the capsule of the joint along with the tendons of the adjacent muscles

rotator cuff

/ rō′tā′tər /

A group of muscles and tendons attaching the shoulder to the scapula (shoulder blade) that provide stability to the shoulder joint and act to rotate the arm. Injuries to the rotator cuff often happen when the arm is repeatedly moved over the head with great force, as when pitching a baseball.

Moreover, she had health insurance through her employer, which she only lost when a rotator-cuff injury cost her her own job.

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